6660005107 has 4 divisors (see below), whose sum is σ = 7611434416. Its totient is φ = 5708575800.

The previous prime is 6660005081. The next prime is 6660005113. The reversal of 6660005107 is 7015000666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6660005107 - 2⁷ = 6660004979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6660005707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475714644 + ... + 475714657.

It is an arithmetic number, because the mean of its divisors is an integer number (1902858604).

Almost surely, 2^6660005107 is an apocalyptic number.

6660005107 is a deficient number, since it is larger than the sum of its proper divisors (951429309).

6660005107 is an equidigital number, since it uses as much as digits as its factorization.

6660005107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951429308.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 6660005107 is about 81608.8543419156. The cubic root of 6660005107 is about 1881.4449720817. Note that the first 3 decimals are identical.

The spelling of 6660005107 in words is "six billion, six hundred sixty million, five thousand, one hundred seven".